Home / 11,432.72-17,148.90-3,641.42

Finding the Fourth Proportional to 11,432.72, 17,148.90 and 3,641.42

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Solution

The fourth proportional to 11,432.72, 17,148.90 and 3,641.42 is: 5,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.72 : 17,148.90 = 3,641.42 : x
  2. Step 2: Convert to fraction form
    11,432.72/17,148.90 = 3,641.42/x
  3. Step 3: Cross multiply
    11,432.72x = 17,148.90 × 3,641.42
  4. Step 4: Simplify right side
    11,432.72x = 62,446,347.44
  5. Step 5: Solve for x
    x = 62,446,347.44/11,432.72
  6. Step 6: Final answer
    x = 5,462.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.